DictionaryecosystemEcological community
noun

ecosystem

EE-koh-sis-tuhm/ˈiːkəʊsɪstəm/

A community of living things interacting with each other and their environment.

A healthy pond ecosystem supports fish, insects, plants, and bacteria.

Pond ecosystem with fish frogs insects aquatic plants heron and sunlight, ecological interactions shown naturally.
Etymology

The environmental prefix joins a word meaning an organized whole made of connected parts. An ecosystem thus treats organisms and their surroundings as one interacting whole, rather than as separate things.

In context

WILD NATURE - Nature animal documentary104:21
they serve as a keystone species in this stark, stripped down ecosystem. [music] Unlike other scavengers, the Lamagaya doesn't fight over fresh [music] meat or organs. Instead, it waits silently [music] watching the slow decay of a carcass.
Predators vs Prey: Deadliest Battles for Survival in Nature I FULL EPISODE | Nature documentary

More examples

  • Even a small tide pool contains a complex ecosystem.
  • Removing wolves can disrupt the balance of an entire ecosystem.
  • Desert ecosystems depend on plants and animals adapted to dry conditions.

Forms

ecosystem · ecosystems

Similar words

community
Includes interacting organisms but not their surrounding physical environment.
biome
Covers a large ecological region containing many individual ecosystems.